I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
pokily pockily pawkily packly pical picul pickle
hokily leakily wackily muckily pockily pokily cockily ickily shakily luckily pawkily gawkily jokily tackily cheekily quakily skill meekly feckly weakly fickly packly vakil gaily knuckly shaggily hackly muggily soggily baggily kail quickly chicly bigly sickly kilo fuggily kill likely weekly foggily
piki pock pocky poke pokey poky spoke